(19)

(11)

EP 4 291 271 A1

(12)

(43) Date of publication: 20.12.2023 Bulletin 2023/51 (21) Application number: 22713515.9 (22) Date of filing: 07.02.2022

(51) International Patent Classification (IPC):  A61M 5/315(2006.01) G16H 50/30(2018.01) G16H 20/60(2018.01) (52) Cooperative Patent Classification (CPC): A61M 5/3155; A61M 2205/3306; A61M 2205/3365; A61M 2205/8212; G16H 50/30; G16H 20/60; A61M 2205/50 (86) International application number: PCT/EP2022/052801 (87) International publication number: WO 2022/171548 (18.08.2022 Gazette 2022/33)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.02.2021 EP 21315018 (71) Applicant: Sanofi 75017 Paris (FR)	(72) Inventors: EARWALKER, Tom Alexander Warwick, CV34 4AB (GB) HARVEY-COOK, Adam, Moyo Essex CM12 OUD (GB) HOBSON, Matthew, Francis Warwick, CV34 4AB (GB) GAZELEY, Oliver, Charles 4058 Basel (CH) (74) Representative: McDougall, James et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)